cmd/ursrv: Use OpenStreetMap and Leaflet for heat map (ref #6150) (#6454)
cmd/ursrv: Use OpenStreetMap and Leaflet for heat map (ref #6150) (#6454)


wweich/syncthing,syncthing/syncthing,imsodin/syncthing,imsodin/syncthing,wweich/syncthing,syncthing/syncthing,imsodin/syncthing,imsodin/syncthing,imsodin/syncthing,syncthing/syncthing,wweich/syncthing,syncthing/syncthing,syncthing/syncthing,syncthing/syncthing,wweich/syncthing